Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e069ac234fb1dd…

MALICIOUS

PDF

35.3 KB Created: 2021-06-26 01:59:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 866925410ed4221d33e0fab657ee1685 SHA-1: b37a2d1ea20d62b0f2899eced6f63033d0760102 SHA-256: d3e069ac234fb1dd3668fe3edd9934fab1e502ca5f2f7d8cf3c8368658ad1040
220 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.co/app/431946152/hack-para-jailbreak-roblox-2021-game-hack In PDF document text
    • http://library.apsidoarjo.ac.id//repository/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/roblox-free-robux-legit_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/is-roblox-free-on-xbox_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/earn-free-robux-gg_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/roblox-free-download-full-version_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/roblox-cheat-engine-lua-pastebin_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/sb-game-hacker-coin-master_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/hack-avec-les-code-promo-roblox_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/instant-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/coin-master-free-spins-link-2021-no-verification_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/minecraft-client_GM479516143.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/free-roblox-promo-codes-2021-november_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/shirt-id-for-roblox-free-shipping_GM431946152.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id//repository/cheats-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://library.apsidoarjo.ac.id/repository/roblox-hack-tool-download-android_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000330f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x330F 21848 bytes
SHA-256: 505d6b0fff840329912278cef94aa1e17812b8154d25dba72b135d8144f61891
font_01_sfnt_off00006363.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6363 19500 bytes
SHA-256: e247479ec3da2dece33affd48658e7c1a9e7ccad727ac281b5597135392a2748

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